Jin, Zhuoer, Huzhou College (China)
Jing, Cui, Hainan Vocational University of Science and Technology (China)
Kan, Pu, University of Sanya (China)
Kanagarajan, K, Department of Mathematics , Sri Ramakrishna Mission Vidyalaya College of Arts and Science, Coimbatore-641020, India.
Kang, Xueqin, Hainan Vocational University of Science and Technology (China)
Kasimova, Nina Vasylivna, Taras Shevchenko National University of Kyiv (Ukraine)
Katani 1, Roghayeh, 1 University of Yasouj
Ke, Mufan, Philippine Christian University (China)
Ke, Yuhua, Jiangxi University of Finance and Economics (China)
Kong, Xiangli, University of Chinese Academy of Social Sciences (China)
Kraev, Andrey Vladimirovich, Moscow State University, Russia
Lan, Feifei, QingDao City University (China)
Lan, Zhu, Wuan First Middle School (China)
Lang, Qinhua, Chongqing Wanzhou Shahe Middle School (China)
Le, Chengdong
Leng, Bingxian
Li, Bingyan, Jiangsu College of Safety Technology (China)
Li, Chenyu, Beijing Forestry University (China)
Li, Donghan, Renmin University of China，Haidian District (China)
Li, Dongmei, Taishan University (China)
Li, Doudou, College of Economics and Management, Zhejiang Agriculture and Forestry University (China)
Li, Duanzi, Changsha Normal University (China)
Li, Fang, Qingdao City University (China)
Li, Fang, School of Science, Shanghai Maritime University (China)
Li, Fang, Hainan College of Economics and Business (China)

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